Results 131 to 140 of about 492 (158)
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2023
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Parasitology Research, 2002
Bimiracidial infections of French Lymnaea truncatula with a Madagascan isolate of Fasciola gigantica were carried out under laboratory conditions to study the growth of rediae and their larval productivity in relation to the different redial generations.
Y, Dar +3 more
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Bimiracidial infections of French Lymnaea truncatula with a Madagascan isolate of Fasciola gigantica were carried out under laboratory conditions to study the growth of rediae and their larval productivity in relation to the different redial generations.
Y, Dar +3 more
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A Three-Year Study of Lymnaea Truncatula Habitats, Disease Foci of Fascioliasis
British Veterinary Journal, 1981SUMMARY The prevalence of infection with Fasciola hepatica in both primary and intermediate hosts was monitored on two farms for a period of three years. A succession of increasingly prolonged and intense droughts in the spring and early summer of each year was associated with a progressive decline in the proportion of hosts affected. The exceptional
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International Journal for Parasitology, 1993
Adult and juvenile Lymnaea truncatula (height 4 and 1 mm, respectively) were subjected to a dual infection with either Fasciola hepatica and Muellerius capillaris, or with M. capillaris and F. hepatica at 4-h, 7-, 14- and 30-day intervals between the two exposures.
Hourdin, P. +2 more
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Adult and juvenile Lymnaea truncatula (height 4 and 1 mm, respectively) were subjected to a dual infection with either Fasciola hepatica and Muellerius capillaris, or with M. capillaris and F. hepatica at 4-h, 7-, 14- and 30-day intervals between the two exposures.
Hourdin, P. +2 more
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Composition of the haemolymph of Lymnaea truncatula, the snail host of Fasciola hepatica
Comparative Biochemistry and Physiology Part A: Physiology, 1971Abstract 1. 1. Anaesthetization of Lymnaea truncatula using ether vapour, carbon dioxide and nitrogen facilitates collection of haemolymph. 2. 2. The haemolymph has a pH of 8·02 and contains 18·8 mg/ml total solids, giving Δ = 0·280°C. 3. 3.
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Journal of Invertebrate Pathology, 1991
Abstract Ultrastructural observations of Haplometra cylindracea sporocysts revealed that the so-called “paletot”, a peculiar structure covoring the daughter sporocysts of various Plagiorchiid trematodes, derives from modified snail host hemocytes. This study emphasizes an unusual interference of the parasite with the snail's internal defense system ...
Jean-François Monteil +1 more
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Abstract Ultrastructural observations of Haplometra cylindracea sporocysts revealed that the so-called “paletot”, a peculiar structure covoring the daughter sporocysts of various Plagiorchiid trematodes, derives from modified snail host hemocytes. This study emphasizes an unusual interference of the parasite with the snail's internal defense system ...
Jean-François Monteil +1 more
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International Journal for Parasitology, 2000
Parasites are capable of rapid evolutionary changes relative to their hosts, due to short life cycle, short generation time, and high fecundity. The direction of the evolution of parasite virulence can be studied in cross-transfer experiments, combining hosts and parasites from different localities, and comparing the outcome of established (sympatric ...
Gasnier, N. +6 more
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Parasites are capable of rapid evolutionary changes relative to their hosts, due to short life cycle, short generation time, and high fecundity. The direction of the evolution of parasite virulence can be studied in cross-transfer experiments, combining hosts and parasites from different localities, and comparing the outcome of established (sympatric ...
Gasnier, N. +6 more
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Molecular Ecology, 2004
AbstractWe present here a spatial and temporal population genetic survey of a common freshwater snail, also a predominantly selfing species, Lymnaea truncatula. The rate of genetic diversity loss was quantified by estimating the effective size (Ne) of the snail populations, using two different methods. A temporal survey allowed estimation of a variance
Meunier, C +4 more
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AbstractWe present here a spatial and temporal population genetic survey of a common freshwater snail, also a predominantly selfing species, Lymnaea truncatula. The rate of genetic diversity loss was quantified by estimating the effective size (Ne) of the snail populations, using two different methods. A temporal survey allowed estimation of a variance
Meunier, C +4 more
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Comptes rendus de l'Academie des sciences. Serie III, Sciences de la vie, 1992
Epidemiological studies were carried out in 11 populations of Lymnaea truncatula in 1983-1984 and 1987-1989 to determine the prevalence of snail infection by an iridovirus. The virus was found in the different populations and samples, with a frequency ranging from 1.6 to 87%. The virosis would be endemic.
D, Rondelaud, D, Barthe
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Epidemiological studies were carried out in 11 populations of Lymnaea truncatula in 1983-1984 and 1987-1989 to determine the prevalence of snail infection by an iridovirus. The virus was found in the different populations and samples, with a frequency ranging from 1.6 to 87%. The virosis would be endemic.
D, Rondelaud, D, Barthe
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Die verspreiding, ekologie en bestrydingsaspekte van Lymnaea Truncatula [Müller] in Lesotho
2022"Abstract not copied"
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